Large Trees

ASH

Selection Info

Some Common Diseases

Some Common Insects and Insect-related

Tolerates wide range of growing conditions, green - white & blue species, 50+ feet tall.

Verticillium wilt
Canker
Leaf spots including:

Anthracnose
Ash ring spot

Root rot
Wood rot
Collar rot

Ash boder
Aphids
Flower Gall of Ash (male trees only)
Plant Bug
Cotton Maple Scale
Emerald Ash Borer

BUCKEYE AND HORSECHESTNUT

Selection Info	Some Common Diseases	Some Common Insects and Insect-related
"Haystack trees" - Branches low to ground, moist well-drained soils. "Nut is toxic," 40 to 100 feet tall.	Leaf Blotch Scorch Canker Wood rot	Leaf Miner

DOUGLAS FIR

Selection Info	Some Common Diseases	Some Common Insects and Insect-related
Well-drained, moist, rich, acidic soils, sun, high humidity. 40 to 200 feet tall (not true fir) Blue foliage.	Needle cast Needle Blight Wood rot Tip Blight Canker Root rot	Woolly Aphid (Alternate host not required)

HACKBERRY

Selection Info	Some Common Diseases	Some Common Insects and Insect-related
Good street tree - tolerates wide range of growing conditions. Growth & leaves size, shape, appearance similar to American elm. 40 to 60 feet tall.	Witches Broom Root rot Wood rot Island Chlorosis Canker	Mites Cottony Mapple Scale Leaf Galls

HONEYLOCUST & KENTUCKY COFFEE TREE

Selection Info	Some Common Diseases	Some Common Insects and Insect-related
Get thornless/ podless honeylocust, sunburst has yellowish new growth, tolerates wide range of growing conditions, except prolong wet soils, 30 to 100 feet tall. Coffee tree has pods, larger leaves & bigger tree than honeylocust.	Canker Root rot Wood rot	Cottony Maple Scale Pod Midge Gall Plant Bug Cankerworm Mites Aphids Mimosa Webworm

GINKO

Selection Info	Some Common Diseases	Some Common Insects and Insect-related
Considered "Pest free," medium grower once established, smelly fruit - seed used as memory enhancer, male/female trees, fall color golden, last two weeks and sheds all leaves in less than 48 hours. Pyramidal forms. 50 to 80 feet tall.		Potato Leaf Hopper

LARCH

Selection Info	Some Common Diseases	Some Common Insects and Insect-related
Moist, well-drained acidic sois. Sun, American & European species, European better tree, weeping & non weeping forms, 70 to 75 feet tall.	Root rot Canker Chlorosis Wood rot	Cottony Maple Scale

LINDEN

Selection Info	Some Common Diseases	Some Common Insects and Insect-related
American 60 - 80 feet tall & little leaf 30 - 70 feet tall. Little leaf better (60+ feet variety), likes moist well drained rich soils, tollerates, pollution, 30 to 70 feet tall.	Anthracnose Scorch Canker Verticillium wilt Wood rot Root rot	Aphids Plant bug

MAPLE

Selection Info

Some Common Diseases

Some Common Insects and Insect-related

Norway - Tolerates dry soil,
40 - 90 feet tall.
Crimson King (Dark purple foliage) schwedler (purplish green foliage)

Columnar varieties
Japanese - wide range uses, 15 - 25 feet tall.
Red - moist or dry acidic soils 40 - 60 feet tall.
Green (Gold fall color) & red foliage, cultivars, many cultivars include columnar silver - Fast grower, weak wood tolerates wide range of growing conditions, 50 - 120 feet tall.
Sugar - tolerates light shade, forest tree, moist well-drained soils, 60 - 120 feet tall.
Boxelder - weak wooded, short lived weedy tree, gets boxelder bug.

Anthracnose
Sooty mold
Verticillium wilt
Scorch
Chlorosis
Canker
Wetwood
Chemical injury
Wood rot
Root rot

Scale - Cottony - Leucanium - Oystershell
Aphids
Leaf Miner
Leaf Hopper
Flat headed apple borer
Leaf galls
Aerified mites

PINE

Selection Info	Some Common Diseases	Some Common Insects and Insect-related
Eastern White - moist well - drained slightly acidic soil, 50 - 150 feet tall. Environmental conditions Reason most die in ill. Scotch - over planted, 30 - 90 feet tall. Austrian - over planted, 50 - 100 feet tall. Red - tolerates abused soils, 50- 125 feet tall. Mugo - shrub up to 35 feet by 35 feet.	Sooty mold Pine Wilt (especially Scotch) Wood rot Root rot Canker Rust Needle diseases Blight Cast Sphaeropsis (diplodia) Tip blight (bird) Yellowbelly Sapsucker	Zimmerman Pine Moth Mites Pine Sawfly Leucanium Scale Pine Needle Scale Pine Bark Adelgid Sawyer Beetles Shoot Moths Pine Tip Moth Aphids

SYCAMORE

Selection Info	Some Common Diseases	Some Common Insects and Insect-related
Albert - a mutation is not always stable, other species grown for colorful bark. Messy tree due to anthracnose. 75 - 125 feet tall.	Sphaeropsis (Diplodia) Tip Blight Anthracnose Canker Scorch Powdery mildew Wood rot Root rot

TULIP TREE

Selection Info	Some Common Diseases	Some Common Insects and Insect-related
Tolerates wide range of growing conditions. Green orange flowers blend in. 70 - 150 feet tall.	Sun scald Scorch Wetwood	Tulip Tree Scale Magnolia Scale

OAK

Selection Info	Some Common Diseases	Some Common Insects and Insect-related
Burr - difficult to transplant, tolerates wide range of growing conditions, 70 - 100 feet tall. Pin - fastest frowing & easiest to transplant 60 - 100 feet tall. Reds (pointed leaves) very prone decay and wilt White (rounded lobes) resistant to decay and wilt	Oak wilt Wet wood Anthracnose Canker (bacterial and fungal) Root rot Wood rot Leaf spot Chlorosis Scorch Powdery Mildew Leaf Blister	Leaf Miner Succulent Oak Gall Scale - Oyster - Leucanium Aphids Wood Borers (feeds on to rotting wood) Gypsy Moth Tussock Moth

WALNUT

Selection Info	Some Common Diseases	Some Common Insects and Insect-related
Nut is edible - Everything else toxic, can stain things black. Tap root therefore hard to transplant, leafs out late & defoliates early.	Canker Wood rot Root rot Leaf spots Anthracnose Downy spot Powdery mildew	Fall Webworm Aphids Leucanium Scale

WILLOW

Selection Info	Some Common Diseases	Some Common Insects and Insect-related
Not for most home landscapes. Weeping and non - weeping corkscrew is small short lived tree, these trees need constant source of moisture. Can be messy.	Canker Wood rot Root rot Crown Gall Wetwood Leaf spot Powdery mildew Sooty mold	Black Willow Aphid Scale Leucanium Scale